Lorraine Simpson is a red-headed young teenager who has just been released from borstal after serving a sentence for arson. Why has she kept a newspaper cutting which announces Ken's transition from fireman to private detective? Fiona Harper, a guest at a nearby hotel, wants Ken to get evidence that her husband, Dennis, is having an affair. She tells him a sob-story about how he has moved his girlfriend into their house after kicking her out in to the street with only the clothes she is wearing. Ken, who can never resist a pretty damsel in distress, falls for this story hook, line and sinker. In fact ""Fiona"" is none other than Lorraine Simpson, who works at the hotel as a chambermaid. But it is a long time before Ken discovers this! Ken watches the Harpers' house and sees Harper with his ""girlfriend"" (who is really his wife, Sue). He agrees to help ""Fiona"" break into the house while the Harpers are out so she can reclaim her possessions. While there, she fakes evidence of a burglary an
Harry has evidently gone up in the world since he sold Woodcote Park because he now drives a Jaguar XJ6. He is planning to start a security business from offices at a canal basin by the Trent but his bank manager, Mr Statter, refuses him a loan. Ken, Rocky and Laura have moved from Royal Hill and are temporarily working out of a very tacky caravan. Ken is on horseback, investigating water pollution and dead fish at a quarry near Dornford Hall for his clients, the peremptory and patronising Dr Sinclair Lewis, and Simon, a member of an ecological pressure group. They believe that the pollution is due to the dumping of toxic waste, possibly solvents used in the production of ceramics. Suddenly an air-rifle pellet is fired at Ken's horse, throwing him off. A beautiful Polish woman, Irena Tadeusz, who lives at Dornford Hall, rescues him. She tells him about a friend, Brigadier Charles, who was beaten up in a robbery. She is very frightened, so Ken offers to do a free survey with a view to f